<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
   <!-- 搜索与添加区域 -->
        <el-row :gutter='20'>
          <el-col :span="8">
            <el-input
              placeholder="请输入内容" v-model="queryInfo.query"
              clearable @clear="getGoodsList" 
            >
              <el-button
                slot="append"
                icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <!-- 添加商品按钮 -->
            <el-button type="primary" @click="goAddpage">添加商品</el-button
            >
          </el-col>
        </el-row>

    <!-- table表格区域 -->
    <el-table :data="goodList" border stripe>
      <el-table-column type="index"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>
      <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
      <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
      <el-table-column label="创建时间" prop="add_time" width="140px">
        <template slot-scope="scope">
         {{scope.row.add_time | dateFormat}}
        </template>
      </el-table-column>
      <el-table-column label="操作" width="130px">
        <template slot-scope="scope">
          <!-- 编辑按钮 -->
         <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
         <!-- 删除按钮 -->
         <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页区域 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      //查询参数对象
      queryInfo:{
        query:'',
        pagenum: 1,
        pagesize: 10
      },
      //商品列表
      goodList:[],
      //总数据
      total:0,
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
  //根据分页获取对应的商品列表
   async getGoodsList(){
    const{data:res} = await this.$http.get(`goods`,{params:
     this.queryInfo})

     if(res.meta.status !== 200){
       return this.$message.error(`获取商品列表失败`)
     }

     //this.$message.success(`获取商品列表成功! `)
     //console.log(res.data)
     this.goodList=res.data.goods
     this.total=res.data.total
    },
    handleSizeChange(newSize){
    this.queryInfo.pagesize = newSize
    this.getGoodsList()
    },
    handleCurrentChange(newPage){
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById(id){
        const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)

        if(confirmResult!=='confirm'){
          return this.$message.info(`已经取消删除! `)
        }
      const{data:res} = await this.$http.delete(`goods/${id}`)

      if(res.meta.status!==200){
        return this.$message.error(`删除失败! `)
      }
      this.$message.success(`删除成功! `)
      this.getGoodsList()
    },
    goAddpage(){
    this.$router.push('/goods/add')
    }, 
  }
 }
</script>

<style lang="less" scoped>

</style>